
Description: Portable Virtualbox is a free, open-source virtualization software that allows you to run multiple virtual machines on your Windows computer without needing to install Virtualbox. It runs directly from a USB drive for easy portability.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Qemu Simple Boot is an open-source machine emulator and virtualizer that can run operating systems and programs for different computer architectures without initialization. It allows quick and easy virtual machine creation and testing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API